billyspitstop
New member
"I have twin F150s on my 25ft
"I have twin F150s on my 25ft Grady. Recently, the starboard engine began running 400 rpms slower than the port at 4000/3600 or so. Also, it runs VERY rough coming out of the hole to get on plane. It seems like one of the cylinders might not be firing.
I pulled the plugs, and they all look clean (replaced anyway). Still rough. It starts and idles just fine.
I am assuming this is a clogged injector or trashy filter or VST. The other motor runs fine, which leads me to believe that I don't have a general fuel problem.
I was going to drain the VST and change the fuel filter. Should I also pull the injectors and clean them? Or just run some injector cleaner through the engine via a portable tank? I just ordered the service manual, but any advice/pictures on cleaning the injectors would be appreciated."
"I have twin F150s on my 25ft Grady. Recently, the starboard engine began running 400 rpms slower than the port at 4000/3600 or so. Also, it runs VERY rough coming out of the hole to get on plane. It seems like one of the cylinders might not be firing.
I pulled the plugs, and they all look clean (replaced anyway). Still rough. It starts and idles just fine.
I am assuming this is a clogged injector or trashy filter or VST. The other motor runs fine, which leads me to believe that I don't have a general fuel problem.
I was going to drain the VST and change the fuel filter. Should I also pull the injectors and clean them? Or just run some injector cleaner through the engine via a portable tank? I just ordered the service manual, but any advice/pictures on cleaning the injectors would be appreciated."